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How to determine whether a substring is in a different string
...t you to use Python's built-in function in or find, which is horrible, but does happen:
string = "Samantha"
word = "man"
def find_sub_string(word, string):
len_word = len(word) #returns 3
for i in range(len(string)-1):
if string[i: i + len_word] == word:
return True
else:
return...
jQuery - Illegal invocation
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What these two options does, could you explain?
– rahim.nagori
May 26 at 14:14
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What is the use of the square brackets [] in sql statements?
... following a naming convention that avoids using reserved words, Microsoft does add new reserved words. Using brackets allows your code to be upgraded to a new SQL Server version, without first needing to edit Microsoft's newly reserved words out of your client code. That editing can be a significan...
Bash script prints “Command Not Found” on empty lines
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If the script does its job (relatively) well, then it's running okay. Your problem is probably a single line in the file referencing a program that's either not on the path, not installed, misspelled, or something similar.
One way is to p...
How to convert String object to Boolean Object?
...ean boolean2 = Boolean.parseBoolean("true");
Advantage:
Boolean: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE.
boolean: no instance is needed, you use the primitive type...
Inserting multiple rows in mysql
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Using the implode() does circumvent the "last character" problem but it creates a huge memory overhead. She asked for 3000 rows, imagine each row has 1kb of data, that's 3MB of raw data already. The array will take up 30MB of memory she already ...
adb command not found
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I have to run source ~/.bash_profile all the time, what does it do?
– Tyler Pfaff
Sep 15 at 22:21
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Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
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Because Java bytecode does not retain the names of method or constructor arguments.
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Should we @Override an interface's method implementation?
... public boolean equals(SomeClass obj){
// code ...
}
}
This doesn't compile because it doesn't properly override public boolean equals(Object obj).
The same will go for methods that implement an interface (1.6 and above only) or override a Super class's method.
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How are echo and print different in PHP? [duplicate]
...ould be irrelevant which one you use. echo is marginally faster
since it doesn't set a return value if you really want to get down to the
nitty gritty.
Expression. print() behaves like a function in that you can do:
$ret = print "Hello World"; And $ret will be 1. That means that print
can be u...